Water filter for LG LFX21975
LG's own replacement chart lists this filter for refrigerator model LFX21975. Model numbers often have suffixes (for example color codes); match the base model.
Buy the replacement (LT600P)
Never forget the next change. Add your LFX21975 to My house for an email reminder.
FAQ
What water filter does the LG LFX21975 use?
LG's replacement chart lists the LT600P for refrigerator model LFX21975.
How often do I change the filter in my LFX21975?
Follow your owner's manual; NSF lists LT600P at 300 gallons rated capacity.
Sources
- https://www.lg.com/ca_en/support/product-support/troubleshoot/help-library/cs-CT20098040-20151238808711/
- https://info.nsf.org/Certified/DWTU/Listings.asp?TradeName=LT600P&Standard=
Data checked 2026-10-17. Always confirm the part number printed on your current filter or in your owner's manual.